Unverified80% confidenceDecision RuleTime unknown
手摇弹簧器优先选带手摇柄+锁紧装置的款式，纯手推弹簧无法旋转破碎堵塞物，对硬质结块效果差
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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